Cas 136559-72-3,4-bromo-2-(2-hydroxyanilino)tropone

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Check Digit Verification of cas no

The CAS Registry Mumber 136559-72-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,5,5 and 9 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 136559-72:
(8*1)+(7*3)+(6*6)+(5*5)+(4*5)+(3*9)+(2*7)+(1*2)=153
153 % 10 = 3
So 136559-72-3 is a valid CAS Registry Number.

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136559-72-3Relevant academic research and scientific papers

Benzocycloheptoxazines IV. Synthesis and Properties of All Possible Benzoxazinotropones

Wakabayashi, Hidetsugu,Kurihara, Teruo,Ishikawa, Sumio,Okada, Joji,Nozoe, Tetsuo

, p. 2131 - 2139 (1991)

Five isomeric benzocycloheptoxazin-6 - 10-ones (hereafter refered to benzoxazinotropones) and bromobenzoxazinotropones were prepared almost quantitatively by the hydrolysis of the corresponding mono-, di-, and tribromobenzocyclohepto

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